/*******************************************************************************
* Copyright (c) 2015-2017
* School of Electrical, Computer and Energy Engineering, Arizona State University
* PI: Prof. Shimeng Yu
* All rights reserved.
* 
* This source code is part of NeuroSim - a device-circuit-algorithm framework to benchmark 
* neuro-inspired architectures with synaptic devices(e.g., SRAM and emerging non-volatile memory). 
* Copyright of the model is maintained by the developers, and the model is distributed under 
* the terms of the Creative Commons Attribution-NonCommercial 4.0 International Public License 
* http://creativecommons.org/licenses/by-nc/4.0/legalcode.
* The source code is free and you can redistribute and/or modify it
* by providing that the following conditions are met:
* 
*  1) Redistributions of source code must retain the above copyright notice,
*     this list of conditions and the following disclaimer.
* 
*  2) Redistributions in binary form must reproduce the above copyright notice,
*     this list of conditions and the following disclaimer in the documentation
*     and/or other materials provided with the distribution.
* 
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
* Developer list: 
*   Pai-Yu Chen	    Email: pchen72 at asu dot edu 
*                    
*   Xiaochen Peng   Email: xpeng15 at asu dot edu
********************************************************************************/

#include <cmath>
#include <iostream>
#include "constant.h"
#include "formula.h"
#include "SramNewSA.h"

using namespace std;

SramNewSA::SramNewSA(const InputParameter& _inputParameter, const Technology& _tech, const MemCell& _cell): inputParameter(_inputParameter), tech(_tech), cell(_cell), FunctionUnit() {
	initialized = false;
}

void SramNewSA::Initialize(int _numCol, int _levelOutput) {
	if (initialized)
		cout << "[SramNewSA] Warning: Already initialized!" << endl;

	numCol = _numCol;
	levelOutput = _levelOutput;   
	
	initialized = true;
}

void SramNewSA::CalculateArea(double _newHeight, double _newWidth, AreaModify _option) {
	if (!initialized) {
		cout << "[SramNewSA] Error: Require initialization first!" << endl;
	} else {
		height = width = area = 0;
		
		double heightUnit = 1.072e-5;
		double widthUnit = 1.011e-5;
		double areaUnit;
		
		areaUnit = (levelOutput-1) * heightUnit * widthUnit;
		
		width = _newWidth;
		area = areaUnit * numCol;
		height = area/width;
		
		// Modify layout
		newHeight = _newHeight;
		newWidth = _newWidth;
		switch (_option) {
			case MAGIC:
				MagicLayout();
				break;
			case OVERRIDE:
				OverrideLayout();
				break;
			default:	// NONE
				break;
		}

	}
}

void SramNewSA::CalculateLatency(double numRead) {
	if (!initialized) {
		cout << "[SramNewSA] Error: Require initialization first!" << endl;
	} else {
		readLatency = 0;
        
		readLatency = 0.1e-9;
		
		readLatency *= numRead;
	}
}

void SramNewSA::CalculatePower(double numRead) {
	if (!initialized) {
		cout << "[SramNewSA] Error: Require initialization first!" << endl;
	} else {
		leakage = 0;
		readDynamicEnergy = 0;

		readDynamicEnergy = 0.092e-12;
		readDynamicEnergy *= (levelOutput-1);
		
		readDynamicEnergy *= numCol;
		readDynamicEnergy *= numRead;
	}
}

void SramNewSA::PrintProperty(const char* str) {
	FunctionUnit::PrintProperty(str);
}

